Difference Between Char And Varchar Sql Server. Feb 06 2017 CHAR will pad spaces to the right of strings to match the length of the column while VARCHARVARCHAR2 does not. The latter is a PostgreSQL extension.
Dec 19 2014 SELECT CONVERTCHAR10Date110 SUBSTRINGCONVERTvarcharDate0128 Result. So if you are confident you dont need nvarchar I dont recommend using it. Character is shortened to char in MS SQL Server.
6 rows Jun 14 2016 Char nchar varchar and nvarchar are all used to store text or string data in SQL Server.
There is no difference in performance with these data types. If character varying is used without length specifier the type accepts strings of any size. Unlike char and nchar the space used by varchar and nvarchar depends on the size of string stores in them. VARCHAR is a variable length field.
